View Compilation Error

0_0_31172686_23859.cpp: In function 'void FastIO::write(long long int)':
0_0_31172686_23859.cpp:64:50: error: expected primary-expression at end of input
    for (int i = sn - 1; i >= 0; i--) obuf[opt++] =
                                                  ^
0_0_31172686_23859.cpp:64:50: error: expected '}' at end of input
0_0_31172686_23859.cpp:64:50: error: expected '}' at end of input
0_0_31172686_23859.cpp: At global scope:
0_0_31172686_23859.cpp:64:50: error: expected '}' at end of input